A granulated detergent builder is disclosed comprising:65 to 85 weight percent of a water insoluble silicate capable of binding calcium, in the form of a finely dispersed, bound-water-containing, synthetically produced, water insoluble crystalline compound having the general formula:(Cat.sub.2/n O).sub.x.Me.sub.2 O.sub.3.(SiO.sub.2).sub.y (I), in which Cat is a cation exchangeable with calcium with the valency n, x is a number from 0.7 to 1.5, Me is boron or aluminum, and y a number from 0.8 to 6,4 to 10 weight percent sodium nitrilotriacetate1.5 to 3 weight percent nonionic surfactant0 to 1 weight percent alkali0.5 to 1.5 weight percent carboxymethyl cellulose and/or methylcelluloseand the balance is water.The product can be produced by spray drying an aqueous suspension in which all ingredients are dispersed or dissolved.